Model No.:RTB6666
Main Features&Picture(Reference)

1.FSK/DTMF compatible  
2.38 incoming call and 5 outgoing call memories
3.2 one-touch memories
4.Area code and long-distance code setting
5.8 kinds of ringer tone selectable
6.3 groups of alarm function
7.Real clock date & week display
8.3-step lock function
9.Hold on music
10.Pre-dial, redial, auto redial function
11.Flash time 1000ms/600ms/300ms/110ms selectable
12.Calculator function
13.Blue LCD backlight
14.P/T dialing mode selectable
15.H.F volume adjustable
16.Anti-dialing function
17.Thunder proof design
18.In use LED indicator